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- Stock & Prices $ Price & Stock for SI8921BB-IS
- Part Number SI8921BB-IS
- Manufacturer Skyworks
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - NB SOIC-8
- Released Date Mar 30, 2026
- Last Modified Date Mar 30, 2026 10:37 AM UTC
- Pinout / Pin List Click Here (Member Only)
SI8921BB-IS Details
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Manufacturer Part Number:
SI8921BB-IS
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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ECCN Code:
EAR99
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HTS Code:
8542.33.00.01
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Manufacturer:
Skyworks Solutions Inc
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YTEOL:
7
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Amplifier Type:
ISOLATION AMPLIFIER
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Bandwidth (3dB)-Nom:
0.6 MHz
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Common Mode Voltage-Max:
1 V
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Isolation Voltage-Min:
2500 V
SI8921BB-IS Frequently Asked Questions (FAQs)
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The recommended PCB layout for optimal performance of the SI8921BB-IS involves keeping the input and output traces as short as possible, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended. Skyworks provides a recommended PCB layout in their application note AN2011-01.
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To ensure the SI8921BB-IS is properly biased, the device requires a single 3.3V or 5V power supply, and the input and output pins should be biased to the correct voltage levels. The device also requires a 10nF to 100nF bypass capacitor connected between the VCC pin and ground to filter out noise and ensure stable operation.
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The maximum operating frequency of the SI8921BB-IS is 100 MHz, but it can be used up to 200 MHz with some degradation in performance. However, it's recommended to consult with Skyworks' application engineers for specific guidance on using the device at frequencies above 100 MHz.
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The SI8921BB-IS has built-in ESD protection, but it's still recommended to follow proper ESD handling procedures when handling the device. This includes using an ESD wrist strap, ESD mat, and ESD-safe packaging and storage. Additionally, the device should be handled in a static-free environment, and the pins should not be touched or exposed to static electricity.
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The thermal resistance of the SI8921BB-IS package is typically around 30°C/W, but this can vary depending on the specific application and PCB design. It's recommended to consult with Skyworks' application engineers for specific guidance on thermal management and to ensure the device operates within its recommended temperature range.
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SI8921BB-IS Overview
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